Custom paper height limit

Ivan Mica ivan.mica at gmail.com
Wed Jan 26 13:48:03 PST 2011


I have just found the most probable reason in the printer specification, it is not allowed to print on higher than 676mm paper. Apparently, this limit can not be easily broken.

> Unfortunately most Canon printers do not offer public technical =
> documentation, however the typical limit is caused by the command set =
> being used, for example the length might be limited to a 16-bit integer =
> value at 360 DPI.
>
> On Jan 26, 2011, at 12:00 PM, Ivan Mica wrote:
>
> > Thanks for a quick reply. Do you see some way, how to discover, =
> whether this is a driver limit or a printer limit? As I do not see any =
> technical reason, why the printer could not print on "infinite" plotter =
> paper - and I do not understand the driver issue. Is there any hope to =
> cross such a limit?
> >=20
> >> This is most likely either a driver or a printer limit you are =
> running =3D
> >> into...
> >>=20
> >> On Jan 26, 2011, at 11:37 AM, Ivan Mica wrote:
> >>=20
> >>> Hello,
> >>> =3D20
> >>> I would like to print onto very long continuous paper with my Cannon =
> =3D
> >> iP4700, however I crashed on some hard limit, that I can neither =
> cross =3D
> >> nor explain...
> >>> =3D20
> >>> E.g.
> >>> $ lp -o media=3D3DCustom.21x59.7cm out.ps
> >>> works perfectly, but
> >>> $ lp -o media=3D3DCustom.21x69.7cm out.ps
> >>> does not even start to print (job gets however marked as completed)
> >>> =3D20
> >>> I tried to experiment with the corresponding PPD, namely I increase =
> =3D
> >> the
> >>> *MaxMediaHeight: "1917"
> >>> to
> >>> *MaxMediaHeight: "2917"
> >>> and
> >>> *ParamCustomPageSize Height: 2 points 257.96 1916.23
> >>> to
> >>> *ParamCustomPageSize Height: 2 points 257.96 2916.23
> >>> =3D20
> >>> with no visible effect... But this was really just an intuitive =3D
> >> experiment - I have no previous experience with PPD, so maybe I was =3D=
>
> >> doing something wrong.
> >>> =3D20
> >>> Can someone explain this behaviour or give me an advice, where to =
> look =3D
> >> to learn how to change the PPD appropriately?
> >>> =3D20
> >>> Thanks in advance
> >>> _______________________________________________
> >>> cups mailing list
> >>> cups at easysw.com
> >>> http://lists.easysw.com/mailman/listinfo/cups
> >>=20
> >> =
> ________________________________________________________________________
> >> Michael Sweet, Senior Printing System Engineer, PWG Chair
> >>=20
> >=20
> > _______________________________________________
> > cups mailing list
> > cups at easysw.com
> > http://lists.easysw.com/mailman/listinfo/cups
>
> ________________________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>





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